Author: hwright
Date: Mon Nov 28 16:13:38 2011
New Revision: 1207370
URL: http://svn.apache.org/viewvc?rev=1207370&view=rev
Log:
Merge r1205726 from trunk:
* r1205726
Plug a memory leak in the fs-base deltification logic which has
been observed to exhaust all the available memory on a server on a
real-world dataset.
Justification:
Can you say DoS?
Votes:
+1: cmpilato, danielsh, rhuijben, philip
Modified:
subversion/branches/1.7.x/ (props changed)
subversion/branches/1.7.x/STATUS
subversion/branches/1.7.x/subversion/libsvn_fs_base/reps-strings.c
Propchange: subversion/branches/1.7.x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Nov 28 16:13:38 2011
@@ -69,4 +69,4 @@
/subversion/branches/tree-conflicts:868291-873154
/subversion/branches/tree-conflicts-notify:873926-874008
/subversion/branches/uris-as-urls:1060426-1064427
-/subversion/trunk:1146013,1146121,1146219,1146222,1146274,1146492,1146555,1146606,1146620,1146684,1146781,1146832,1146834,1146870,1146899,1146904,1147293,1147299,1147309,1147882,1148071,1148083,1148094,1148131,1148374,1148424,1148566,1148588,1148652,1148662,1148699,1148853,1148877,1148882,1148936,1149103,1149105,1149135,1149141,1149160,1149228,1149240,1149343,1149371-1149372,1149377,1149398,1149401,1149539,1149572,1149627,1149675,1149701,1149713,1150242,1150254,1150260-1150261,1150266,1150302,1150327,1150368,1150372,1150441,1150506,1150812,1150853,1151036,1151177,1151610,1151854,1151906,1151911,1152129,1152140,1152189-1152190,1152267,1152282,1152286,1152726,1152809,1153138,1153141,1153416,1153540,1153566,1153799,1153807,1153968,1154009,1154023,1154115,1154119,1154121,1154144,1154155,1154159,1154165,1154215,1154225,1154273,1154278,1154379,1154382,1154461,1154717-1154718,1154733,1154908,1154982,1155015,1155044,1155124,1155131,1155160,1155313,1155334,1155391,1155404,1156085,115
6098,1156216,1156218,1156312,1156527,1156717,1156721,1156750,1156827,1156838,1157416,1158187,1158193-1158194,1158196,1158201,1158207,1158209-1158210,1158217,1158285,1158288,1158303,1158309,1158407,1158419,1158421,1158436,1158455,1158616-1158617,1158634,1158854,1158875,1158886,1158893,1158896,1158919,1158924,1158963,1159093,1159098,1159101,1159132,1159136,1159148,1159230,1159275,1159400,1159686,1159760,1159772,1160605,1160671,1160682,1160704-1160705,1160756,1161063,1161080,1161185,1161210,1161683,1161721,1162024,1162033,1162201,1162516,1162880,1162974,1162995,1163243,1163383,1163557,1163792,1163953,1164027,1164386,1164426,1164517,1164535,1164554,1164580,1164614,1164645,1164760,1164765,1166500,1166555,1166678,1167062,1167173,1167209,1167269,1167503,1167659,1167681,1169524,1169531,1169650,1171708,1173111,1173425,1173639,1174051,1174060,1174652,1174761,1174797-1174798,1174806,1175888,1176915,1176949,1177001,1177492,1177732,1178280,1178282,1178942,1179680,1179767,1180154,1181090,
1181110,1181155,1181215,1181609,1181666,1182115,1182527,1182771,1182904,1182909,1183054,1183263,1183347,1185222,1185242,1185280,1185282,1185730,1185738,1185746,1185763,1185768,1185886,1185911,1185918,1186059,1186092,1186101,1186107,1186109,1186121,1186231,1186240,1186422,1186434,1186732,1186755,1186784,1186815,1186928,1186944,1186981,1186983,1187311,1187676,1187695,1188609,1188774,1189190,1189261,1189395,1189580,1189665,1197135,1197998,1199876,1199950,1200837,1201002,1201824,1202135,1202187,1202630,1202807,1203546,1203651,1203653,1204167,1204478,1204610,1204673
+/subversion/trunk:1146013,1146121,1146219,1146222,1146274,1146492,1146555,1146606,1146620,1146684,1146781,1146832,1146834,1146870,1146899,1146904,1147293,1147299,1147309,1147882,1148071,1148083,1148094,1148131,1148374,1148424,1148566,1148588,1148652,1148662,1148699,1148853,1148877,1148882,1148936,1149103,1149105,1149135,1149141,1149160,1149228,1149240,1149343,1149371-1149372,1149377,1149398,1149401,1149539,1149572,1149627,1149675,1149701,1149713,1150242,1150254,1150260-1150261,1150266,1150302,1150327,1150368,1150372,1150441,1150506,1150812,1150853,1151036,1151177,1151610,1151854,1151906,1151911,1152129,1152140,1152189-1152190,1152267,1152282,1152286,1152726,1152809,1153138,1153141,1153416,1153540,1153566,1153799,1153807,1153968,1154009,1154023,1154115,1154119,1154121,1154144,1154155,1154159,1154165,1154215,1154225,1154273,1154278,1154379,1154382,1154461,1154717-1154718,1154733,1154908,1154982,1155015,1155044,1155124,1155131,1155160,1155313,1155334,1155391,1155404,1156085,115
6098,1156216,1156218,1156312,1156527,1156717,1156721,1156750,1156827,1156838,1157416,1158187,1158193-1158194,1158196,1158201,1158207,1158209-1158210,1158217,1158285,1158288,1158303,1158309,1158407,1158419,1158421,1158436,1158455,1158616-1158617,1158634,1158854,1158875,1158886,1158893,1158896,1158919,1158924,1158963,1159093,1159098,1159101,1159132,1159136,1159148,1159230,1159275,1159400,1159686,1159760,1159772,1160605,1160671,1160682,1160704-1160705,1160756,1161063,1161080,1161185,1161210,1161683,1161721,1162024,1162033,1162201,1162516,1162880,1162974,1162995,1163243,1163383,1163557,1163792,1163953,1164027,1164386,1164426,1164517,1164535,1164554,1164580,1164614,1164645,1164760,1164765,1166500,1166555,1166678,1167062,1167173,1167209,1167269,1167503,1167659,1167681,1169524,1169531,1169650,1171708,1173111,1173425,1173639,1174051,1174060,1174652,1174761,1174797-1174798,1174806,1175888,1176915,1176949,1177001,1177492,1177732,1178280,1178282,1178942,1179680,1179767,1180154,1181090,
1181110,1181155,1181215,1181609,1181666,1182115,1182527,1182771,1182904,1182909,1183054,1183263,1183347,1185222,1185242,1185280,1185282,1185730,1185738,1185746,1185763,1185768,1185886,1185911,1185918,1186059,1186092,1186101,1186107,1186109,1186121,1186231,1186240,1186422,1186434,1186732,1186755,1186784,1186815,1186928,1186944,1186981,1186983,1187311,1187676,1187695,1188609,1188774,1189190,1189261,1189395,1189580,1189665,1197135,1197998,1199876,1199950,1200837,1201002,1201824,1202135,1202187,1202630,1202807,1203546,1203651,1203653,1204167,1204478,1204610,1204673,1205726
Modified: subversion/branches/1.7.x/STATUS
URL:
http://svn.apache.org/viewvc/subversion/branches/1.7.x/STATUS?rev=1207370&r1=1207369&r2=1207370&view=diff
==============================================================================
--- subversion/branches/1.7.x/STATUS (original)
+++ subversion/branches/1.7.x/STATUS Mon Nov 28 16:13:38 2011
@@ -127,15 +127,6 @@ Veto-blocked changes:
Approved changes:
=================
- * r1205726
- Plug a memory leak in the fs-base deltification logic which has
- been observed to exhaust all the available memory on a server on a
- real-world dataset.
- Justification:
- Can you say DoS?
- Votes:
- +1: cmpilato, danielsh, rhuijben, philip
-
* r1206523, r1206533
Update --accept help text.
Justification:
Modified: subversion/branches/1.7.x/subversion/libsvn_fs_base/reps-strings.c
URL:
http://svn.apache.org/viewvc/subversion/branches/1.7.x/subversion/libsvn_fs_base/reps-strings.c?rev=1207370&r1=1207369&r2=1207370&view=diff
==============================================================================
--- subversion/branches/1.7.x/subversion/libsvn_fs_base/reps-strings.c
(original)
+++ subversion/branches/1.7.x/subversion/libsvn_fs_base/reps-strings.c Mon Nov
28 16:13:38 2011
@@ -674,8 +674,10 @@ struct rep_read_baton
is digestified. */
svn_boolean_t checksum_finalized;
- /* Used for temporary allocations, iff `trail' (above) is null. */
- apr_pool_t *pool;
+ /* Used for temporary allocations. This pool is cleared at the
+ start of each invocation of the relevant stream read function --
+ see rep_read_contents(). */
+ apr_pool_t *scratch_pool;
};
@@ -703,7 +705,7 @@ rep_read_get_baton(struct rep_read_baton
b->checksum_finalized = FALSE;
b->fs = fs;
b->trail = use_trail_for_reads ? trail : NULL;
- b->pool = pool;
+ b->scratch_pool = svn_pool_create(pool);
b->rep_key = rep_key;
b->offset = 0;
@@ -869,7 +871,7 @@ txn_body_read_rep(void *baton, trail_t *
args->buf,
args->len,
trail,
- trail->pool));
+ args->rb->scratch_pool));
args->rb->offset += *(args->len);
@@ -956,6 +958,9 @@ rep_read_contents(void *baton, char *buf
struct rep_read_baton *rb = baton;
struct read_rep_args args;
+ /* Clear the scratch pool of the results of previous invocations. */
+ svn_pool_clear(rb->scratch_pool);
+
args.rb = rb;
args.buf = buf;
args.len = len;
@@ -974,7 +979,7 @@ rep_read_contents(void *baton, char *buf
txn_body_read_rep,
&args,
TRUE,
- rb->pool));
+ rb->scratch_pool));
}
return SVN_NO_ERROR;
}
